diff --git a/agent-office/app/service_proxy.py b/agent-office/app/service_proxy.py
index 58a24dc..8e63382 100644
--- a/agent-office/app/service_proxy.py
+++ b/agent-office/app/service_proxy.py
@@ -131,3 +131,26 @@ async def realestate_mark_read(match_id: int) -> Dict[str, Any]:
     resp = await _client.patch(f"{REALESTATE_LAB_URL}/api/realestate/matches/{match_id}/read")
     resp.raise_for_status()
     return resp.json()
+
+
+# --- lotto-backend ---
+
+async def lotto_candidates(n: int = 20) -> Dict[str, Any]:
+    from .config import LOTTO_BACKEND_URL
+    resp = await _client.get(f"{LOTTO_BACKEND_URL}/api/lotto/curator/candidates", params={"n": n})
+    resp.raise_for_status()
+    return resp.json()
+
+
+async def lotto_context() -> Dict[str, Any]:
+    from .config import LOTTO_BACKEND_URL
+    resp = await _client.get(f"{LOTTO_BACKEND_URL}/api/lotto/curator/context")
+    resp.raise_for_status()
+    return resp.json()
+
+
+async def lotto_save_briefing(payload: dict) -> Dict[str, Any]:
+    from .config import LOTTO_BACKEND_URL
+    resp = await _client.post(f"{LOTTO_BACKEND_URL}/api/lotto/briefing", json=payload)
+    resp.raise_for_status()
+    return resp.json()